First of all, inequality between rich and poor countries has increased dramatically in the last two decades, with (as James Wolfensohn of the World Bank said) 20% of the world's population controlling 80% of the world's wealth.
Far from dead, our manufacturing sector is the world's largest, with 5% of the world's population producing five times their share in industrial goods.
Eight of the top 10 are from the U.S., as are 271 of the entire pack--just over 50% of the world's superrich from little more than 4% of the world's population.
Against the odds, with 1% of the world's population, 14% of the world's most highly-cited papers come from UK-based research.
Christians, 33% of the world's population, make up nearly half of the world's 214 million living migrants, the study shows.
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While the United States makes up less than 5 percent of the world's population, we create roughly a quarter of the world's demand for oil.
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Up to 10% of the world's population will have at least one seizure, the World Health Organization says, and having one seizure does not signal epilepsy.
Approximately one-half of the world's population lives in rural areas, according to the World Health Organization, and most of them usually lack trained health care workers.
Fish is a vital source of protein and is about to become ever more important as the world's population increases to 9 billion by 2050, said the World Bank's vice president of sustainable development, Rachel Kyte.
It is thought that up to 400 million, or nearly seven per cent of the world's population have the deficiency.
Underpinning this development is the integration of half the world's population into the global market economy, and the deepening and broadening of the capital and derivative markets.
About 38% of the world's population uses the internet in 2013, up from about 35% last year, according to the International Telecommunication Union, a United Nations agency dedicated to information and communication technology.
Sub-Saharan Africa, which accounts for only 10% of the world's population, is the prime sufferer.
It is said a third of the world's population now uses the internet.
Forty percent of the world's population lives on the Indian Ocean rim, and Dubai is the financial crossroads for their growing trade and financial relationships.
The Brics bloc represent 40% of the world's population, with some estimating that it contributes about a fifth to the world economy.
Eric Levine, from Restless Development, a youth development agency, said youngsters made up half of the world's population and must play an "essential role" in tackling the most urgent world issues.
In fact it is anomalous that a group of 30-odd countries with a small fraction of the world's population should be calling the shots.
More than half of the world's population doesn't use the Web, particularly in developing nations, researchers say.
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In the end, the math behind the growth of Islamic banking may be pretty simple: There are 1.3 billion Muslims in the world--roughly a fifth of the world's population.
More than half the world's population already lives in cities and the urban population of sub-Saharan Africa is projected to double by 2030.
Currently, 188 nations, representing the vast bulk of the world's population, have signed up to the Convention on Chemical Weapons, which is overseen by the Organization for the Prohibition of Chemical Weapons.
Clare Short has warned that two-thirds of the World's population could be suffering water shortages by the year 2025 if current standards are allowed to continue.
In one generation it has lifted most of the third quartile of the world's population (by income) from poverty to the middle class.
It is now estimated that around half the world's population is living in an urban environment and the figure is expected to rise over the next few decades.
The richest one per cent of the world's population had increased its income by 60% in the last 20 years, Oxfam said.
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From tiny leptanilline ants that look like a dusting of pepper to Australia's 5cm (2-inch) bulldog ants, the weight of the Formicidae family is equal to that of the world's population of humans and accounts for 10% of the biomass of all the creatures on the planet.
The country has 21% of the world's population within its borders, but only 7% of the planet's renewable water resources.
"It is estimated that over half the world's population have heard of James Bond which is an incredible testament to the imagination of his creator, Ian Fleming, " said Julietta Edgar, the Royal Mail's head of special stamps.
As the world's population ages, mobile robotic platforms such as SAMI or Ava have the potential to be applied to the healthcare industry -- from helping the elderly or disabled at home to pushing wheelchairs and bringing residents to the cafeteria or outdoors in eldercare homes.
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